Chemical Engineering Basics

Question: Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of
[A].

steel

[B].

glass wood

[C].

copper

[D].

fireclay bricks

Answer: Option B

Explanation:

No answer description available for this question.

Question: Gage pressure within a spherical droplet of a fluid is ‘p’. What will be gage pressure within a bubble of the same size & of the same fluid ?
[A].

p

[B].

2 p

[C].

0.5 p

[D].

0.25 p

Answer: Option B

Explanation:

No answer description available for this question.

Question: A fluid is termed as the Newtonion fluid, when the shear stress is __________ the velocity gradient.
[A].

independent of

[B].

inversely proportional to

[C].

directly proportional to

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: Existence of velocity potential implies that the fluid is
[A].

irrotational

[B].

ideal

[C].

compressible

[D].

in continuum

Answer: Option A

Explanation:

No answer description available for this question.

Question: Current asset of a factory includes the
[A].

goodwill of the company.

[B].

common stocks held by the company.

[C].

manufacturing plant & equipment.

[D].

inventory.

Answer: Option C

Explanation:

No answer description available for this question.

Question: __________ method of depreciation calculation ensures that the interest is charged on the cost of machine asset every year on the book value, but the rate of depreciation remains constant every year.
[A].

Annuity charging

[B].

Atraight line

[C].

Ainking fund

[D].

None of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: The capital & running costs of similar machines having unequal service life can be compared by the __________ method.
[A].

equivalant annual cost

[B].

rate of return

[C].

present net worth

[D].

capitalised cost

Answer: Option D

Explanation:

No answer description available for this question.

Question: A compact estimate about the amount of materials handling between various work stations is obtained from the
[A].

gantt chart

[B].

bin chart

[C].

string diagram

[D].

travel chart

Answer: Option D

Explanation:

No answer description available for this question.

Question: The best criterion for analysing an economic investment is the
[A].

rate of return criterion.

[B].

present value method.

[C].

salvage value.

[D].

future value method.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.
[A].

+4000

[B].

-4000

[C].

10000

[D].

– 10000

Answer: Option A

Explanation:

No answer description available for this question.